Spring BootJob Title: Java Developer
Experience: 4 –10 Years
Location: Mumbai / Bangalore
Employment Type: Full-time
We are looking for experienced and passionate Java Developers with strong expertise in Core Java, multithreading, and performance tuning. You will be responsible for designing and developing high-performance, scalable, and resilient backend systems. This is an exciting opportunity to work on complex, enterprise-level systems and modern architectures like microservices and event-driven frameworks.
• 3–10 years of hands-on experience in Java (8 or above) development.
• Strong foundation in OOPs, data structures, algorithms, and design patterns.
• Deep understanding of multithreading, concurrency, and synchronization techniques.
• Experience with Spring Boot, Spring MVC, JPA/Hibernate.
• Good working knowledge of RESTful API development.
• Proficient in SQL and experience with relational databases like MySQL, PostgreSQL, etc.
• Familiarity with Git, Maven/Gradle, and CI/CD pipelines.
• Exposure to Agile/Scrum methodology
Shubham Vishwakarma
Full Stack Developer - Averlon
About Wissen Technology
About
The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015. Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains.
With offices in US, India, UK, Australia, Mexico, and Canada, we offer an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.
Leveraging our multi-site operations in the USA and India and availability of world-class infrastructure, we offer a combination of on-site, off-site and offshore service models. Our technical competencies, proactive management approach, proven methodologies, committed support and the ability to quickly react to urgent needs make us a valued partner for any kind of Digital Enablement Services, Managed Services, or Business Services.
We believe that the technology and thought leadership that we command in the industry is the direct result of the kind of people we have been able to attract, to form this organization (you are one of them!).
Our workforce consists of 1000+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like MIT, Wharton, IITs, IIMs, and BITS and with rich work experience in some of the biggest companies in the world.
Wissen Technology has been certified as a Great Place to Work®. The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients.
Company social profiles
Similar jobs
NodeJS (Node.js)
JavascriptAbout Tamasha
Tamasha is a product-led technology company focused on building immersive,
real-time social and gaming experiences for the next generation of users. Our
products combine scalable backend systems, real-time communication, and AI
driven intelligence to create engaging digital ecosystems.
Our flagship products include:
• Openly – A modern social engagement platform enabling meaningful
conversations and community-driven interactions.
App: https://play.google.com/store/apps/details?id=com.openly.app
• FriendChat – A real-time chat-first social product designed for seamless, low
latency conversations.
• Playroom (Voice Chat) – A live voice-based social gaming experience enabling
players to connect, communicate, and collaborate in real time.
App: https://play.google.com/store/apps/details?id=com.playroom.voice
Role Overview
We are looking for a hands-on SDE 2 – Backend Developer (Node.js) who will play
a critical role in building scalable backend systems, integrating AI-driven solutions,
and shaping Tamasha’s technical foundation.Key Responsibilities
Hands-on Engineering: Actively code, design backend architecture, and solve
complex technical problems.
AI & Emerging Tech: Integrate AI agents, automation, and recommendation
systems.
Scalable Infrastructure: Design secure, scalable cloud systems on GCP and
Azure.
DevOps & Deployment: Build and manage CI/CD pipelines and monitoring
systems.
Engineering Excellence: Ensure high-quality, secure, and performant code.
Cross-functional Collaboration: Work closely with product, design, and business
teams.
Team Building & Mentorship: Mentor engineers and support hiring initiatives.
Required Skills & Experience
3–4 years of backend development experience in a product-based company
Strong expertise in Node.js (Express / NestJS)
Experience with SQL and NoSQL databases
Hands-on experience with cloud platforms (GCP / Azure)
Experience with CI/CD pipelines and DevOps practices
Strong understanding of system design and scalability
Why Join Tamasha?
• Build products used by thousands of real users
• Work on AI, real-time systems, and scalable architectures
• High ownership and fast growth opportunities
• Strong engineering culture with startup agility
Javascript
JavaSpring BootRoles & Responsibilities :
- 1-2 years of hands-on experience in backend development with Java & Spring Boot.
- Build scalable and modular microservices for business-critical applications.
- Implement RESTful APIs and ensure high performance and responsiveness.
- Proficient with SQL databases (MySQL etc) Troubleshoot production issues and improve system reliability and scalability.
Java
Amazon Web Services (AWS)Spring BootWe are looking for a focussed, energetic and motivated Senior Java Developer. You must have sufficient experience in Java Development, Spring, Spring Boot, AWS and SQS, S3. You will be challenged with complex and robust product development.
As a Senior Java Developer, you will be the most senior developer within the company working alongside other Java Developers, the Engineering Manager, and the CTO.
Senior Java Developer requirements
Solid development experience using Java, Springboot, SQS, S3 and Microservices
Experience working in Swing Java framework
Revises, updates, refactors, and debugs code
Write clear, concise and efficient code and ensure it is fully tested
Service and develop features using Java with AWS, JUnit, SQL and Spring framework
You have a good knowledge of Cloud technologies (ideally AWS)
Participate in peer coding reviews and work in a collaborative, agile environment
Demonstrate technical knowledge and expertise with a clear understanding on the products' technical composition
Senior Java Developer responsibilities
7-9 yrs minimum work experience
Excellent analytical, troubleshooting, and communication skills
Excellent attention to detail and time-management skills
Serves as an expert on developed applications
Ability to adapt and learn new product/technology is key
Collaborates with internal teams to produce software design and architecture
Knowledge of Agile frameworks (i.e. Scrum) and has worked with Jira or Spira
Attend daily stand-up meetings alongside the Scrum Master
A self-starter, hardworking and committed individual
Work UK hours - ideally 9.00am - 6pm with the expectation to work out of ours when needed
JavaSpring Boot
GitHub- Java
- Spring Boot
- Database (Preferably Mysql)
- Multithreading
- Low Level design (Any Module)
- Github
- Leetcode
- data structure
NodeJS (Node.js)
MongoDB
ExpressAbout Beyondskool:
BeyondSkool aims to be the No.1 destination for BeyondSkool courses for kids aged 4-15yrs by building knowledge and skills in areas that are not typically covered by school to constantly expand learning and stay ahead. We do this through our programs, which are designed by experts covering both breadth and depth of expertise, delivered by certified and trained teachers through LIVE online classes on our engaging and interactive platform. Mission of BeyondSkool is that just like a school, to build a community of highly motivated BeyondSkoolers who have an infinite hunger of learning, which goes beyond school curriculum for continuously expanding knowledge and skills to excel and stay ahead.
Founded by experienced professionals and alumni of prestigious institutes namely Kellogg and MDI with 20+ years of experience in various industries handling leadership roles across business functions. We are at a stage of hiring our core team members who are young, passionate individuals with keen interest in making a difference in the education sector.
Role and Responsibilities
- Research, design and build highly reliable, available, and scalable platforms.
- Explore design implications and work towards an appropriate balance between functionality, performance, and maintainability.
- Lead by example, mentor, and guide team members on everything from structured problem solving to development of best practices.
- Own large technical deliverables and execute in an exemplary way
- Be able to conceptualize and develop prototype quickly
- Working with a cross-discipline team (Design, Product, Engineer, Operations, Sales, Marketing).
- Active participation in the hiring process to bring quality engineers in the team.
- Lead-out team meetings, stand-ups, and architecture/design discussions
- Writing bug-free code, participating in code reviews, designing/architecting systems of varying complexity and scope, and creating high-quality documentation supporting the design/coding tasks
- Identify areas of improvement in our frameworks, tools, processes and strive to make them better.
- Researching new technologies and adapting them to BeyondSkool’s requirements
- Own and commit to all your work, and be accountable for your results
- Using and understanding code from Open-Source projects
- Participate in a culture of code reviews, writing tech specs, and collaborating closely with other people
- Produce highly reliable systems that are thoroughly tested and benchmarked.
- Develop multi-tier scalable, high-volume performing, and reliable user-centric infrastructure that operates 24x7
- Scale distributed applications, make architectural trade-offs applying synchronous and asynchronous design patterns, and deliver with speediness and quality.
Qualifications and Education Requirements
- Bachelor's degree in Computer Science or any other relevant field.
- Experience of 5 - 7 years as a back-end engineer preferably in a microservice environment.
- Strong proficiency of Node.js and frameworks available for it such as Express.js
- Strong proficiency in Javascript and TypeScript
Preferred Skills
- Must have worked building 2+ backend system using node.js and Express.js
- Strong understanding and experience of creating highly scalable and complex database design.
- Good understanding of Data Modeling using RDBMS and NoSQL (Cassandra, MongoDB, ElasticSearch, Redis) data stores
- Strong problem-solving skills with a good understanding of data structures and algorithms
- Strong understanding of front-end technologies, such as HTML5, and CSS3
- User authentication and authorization between multiple systems, servers, and environments
- Experience of creating highly scalable, fault tolerant, resilient distributed systems
- Strong knowledge of creating scalable system design and good understanding of microservice based architectures
- Understanding of caching enabled, PubSub and event driven architectures
- Hands on experience and good knowledge of AWS services
- Understanding automated testing platforms like selenium and unit tests like Chai, Mocha, Jasmine etc
- Proficient understanding of code versioning tools, such as Git
- Curiosity to explore the cutting-edge technologies and bake them in the products.
- Zeal and drive to take end to end ownership.
JavaSpring BootJob Description
We are looking for a developer to help maintain the existing Java applications, and to guide development of the next generation tools. The right individual for this role must be capable of building applications in Java, using modern architectures. Should be hands on in Object Oriented Languages (Java, C# and Go), Cloud Based Technologies (AWS, DevOps and Serverless), Front End Frameworks (Angular, React JS, Spring Boot, Spring React, Node.js), Cutting Edge Data Tools (Python, Spark, Machine Learning) and Next Generation technologies (AI, Blockchain) etc. You should be comfortable with application coding based on design and specifications, and also be comfortable working with application protocols such as JSON RPC, SOAP, and REST. The candidate must be a top-notch Java developer committed to becoming an integral part of and fostering growth within our development team.
Primary Responsibilities:
- Working with the architects and development lead, documents and develops best practices for development, and deployment of applications, and works with members to foster growth within the team.
- Develop user interface components and implementing them following well-known React.js workflows (such as Flux or Redux)
- Predicts application development requirements based on changes in underlying architecture
- Either individually or leading a team of resources, determines hardware/software systems requirements and leads systems hardware/software design. Analyzes, designs, programs, debugs, supports, and modifies software enhancements and/or new products used in local, networked, or Internet-related computer programs.
- Partners with the IT Architect during the initial stages of the project/solution to ensure the accuracy of business cases and that the solution will meet the business need.
- Completes documentation and procedures for installation and maintenance. May interact with users to define system requirements and/or necessary modifications.
Qualifications
- 5+ years of Java development experience, ideally in a team lead role
- High level skills in Java, (preferably java 1.8 – knows to write lambda expression, understands functions etc), using the latest SDKs and tools and frameworks such as Spring boot, spring JDBC, Spring test, spring security, RxJava, etc of Java
- Experience interfacing with back-end applications using MQ, SOAP, RESTFUL services, and JSON. - Worked on at least one of JaxRs implementations.
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
- Thorough understanding of React.js and its core principles
- Understands database concepts – proficient in writing relational database queries – Oracle
- Ability to develop functional, technical and user interface designs for an application that meets the defined requirements (business, system performance and standards)
- Demonstrates deep expertise in specific coding concepts and/or languages, especially around modern application architectures.
- Experience with web applications that use responsive design to better support mobile browsers.
- Experience in highly-secured online environments that use n-tier designs and extensive fire walling to enhance security.
- Experience in multi data center physical implementation models for scalability and resilience.
- Experience partnering with others to solve problems quickly and efficiently.
JavaSpring Boot- Work with business analysts to estimate and design effective, scalable and maintainable solutions that meet business initiatives and objectives
- Develop and unit test software that meets business requirements and technical design
- Troubleshoot pre- and post-production implementations
- Propose new ideas when there is strong business value and stay up to date on the latest technology trends and techniques
Critical Skills & Experiences:
- At least 5+ years of experience developing in Java technologies with equivalent experience in systems analysis, OO design, OO programming and debugging skills
- At least 5 years of experience in Java Spring Boot Framework development
- 2 years of experience in any Cloud platform, preferably AWS.
- At least 3 years of web services and relational database experience (preferably Mysql)
- At least a year of Elastic search experience
- Experience developing RESTful web services (preferably micro services)
- Experience with UNIX/Linux command line and shell scripting
- Experience working in cross-functional Agile/Scrum teams
- Any level of experience with JIRA or any other issue tracking technology
- Experience working directly with business stakeholders
- Experience with Java application profiling and profiling tools
- Exceptional written and verbal communication skills.
- Drive performance to accomplish team goals in a fast-paced environment
- Bachelor’s degree or the above equivalent skills and years of experience
Keywords:
Experience: +5 Years
Technical skills: Java, Spring boot and Node JS
JavaSpring BootRole/ Responsibilities
- Design APIs, DB, Queues, monitoring for micro services.
- Writing, deploying and managing micro services.
- Migrate existing components into distributed micro service architecture.
- AWS Cloud / Google Cloud Platform (Manage Infrastructure).
- API integration with 3rd parties.
- Unit test cases, automation.
- Database optimisation.
- Design of highly concurrent backend architecture.
- Handling high traffic data.
Experience required:
- Sound fundamentails in software design.
- Must have worked on distributed and micro service architecture.
- Sound fundamentals on scale/ performance/ memory optimisation.
- Sound fundamentals of authentication, authorization, payment processes, data security.
- Must have experience in Spring / Spring boot.
- Good to have experience in Kafka / JMS / RabbitMQ / AWS Elastic queue.
- Good to have experience in Junit / mockito unit test cases.
- Good to have knowledge in Mysql (or any RDBMS).
Python
Go Programming (Golang)JavaJob Description-
Backend Developer- Senior
Experience - 3-6 years
Location: Pune/Kota
Minimum Qualifications:
- BE/B.Tech or ME/M.Tech in Computer Science.
- Must have “Can Do Attitude” towards work
- Must have work exp of 3-6 years
- Must have programming exp of 1-2 years in any of Python/Golang/Java languages
- Must have worked in product based company
- Ready to work in a startup and adaptable to a dynamic environment
- Ready to accept ad-hoc requirements and track them till they get implemented
- Ready to learn new technologies like Andriod, Angular, etc.
- Good at HTTP basics, OOPs concepts, data structures, algorithms, networking and
security aspects
- Ability to write clean code and maintain it
- Good at SQL/No-SQL databases
Preferred Qualifications:
- Experience in any good product based startup
- Experience in working with the team and managing a small team of 2-5 associates
- Experience in being a mentor for co-developers
- Experience in design/developing scalable systems.
- Experience in public cloud platforms services/APIs of AWS, Google Cloud, etc.
- Experience in data engineering
- Experience in SOA/Microservice architecture development
Responsibilities:
- Design and develop scalable services and APIs in Python/Golang
- Always maintain the services secure
- Should optimize APIs for mobile data and apps
- Use off-the-shelf and state-of-the-art services for faster development of product
- Guide team members with designs
- Take the end to end ownership of features and resolve customer issues on priority
- Mentor/guide/monitor junior developer
- Expertise Android/Angular to the required extent and guide app developers while
designing APIs
Opportunities in the role:
- LearnAngular, Python, Node.js, Golang, ELK stack, MEAN/MERN
- Work on AWS, Azure, Google Cloud Platform
- Work on databases like RDS, MongoDB, Big Table & DynamoDB, Redis, Aerospike
- Experience with SQL/ NoSQL Databases (RDS, DynamoDB, Google Datastore, Redis)
- Experience with ELK stack.
- Fast prototyping of proof-of concept features/application based on a brief
- Work on data engineering
JavaAmazon Web Services (AWS)Spring BootJob Description:
We are looking for talented Technical Managers to be part of the Product Engineering team. The candidate should have good experience with Java/J2ee based technologies and will be responsible for delivering features that are meaningful to the customer and consistent with the product vision through the management of a cross-functional team. The person will also contribute to the team as a servant leader and ensure that the team has everything needed to be successful.
Technical Competencies
- Strong Java/J2EE development experience with demonstrated ability to develop and troubleshoot large mission applications & Software Products
- Experience on exception handling, correct use of data structures, multi-threaded programming, memory management and application tuning
- Excellent exposure in Object Oriented Design skills using Java/J2ee along with:
- Core Java Language (Collections, Concurrency/Multithreading)
- JDBC concepts (connection pooling, statement, result set)
- Web Technologies (Struts/Struts 2, Spring (IOP, MVC, AOP), Hibernate, JSP, Web services)
- Database optimization and profiling
- Core/JEE/Integration Design patterns/UML
- Should have experience in Unit Testing
- Good hands on experience with RDBMS like MySQL/Oracle with ability to write SQL Queries/Stored Procedures/Triggers/Joins/View etc
- Practical application of software product development standards and methodologies including Agile, XP, Kanban, RUP and UML
- Ability to apply design patterns consistently and also accurate when building per design requirements
- Good experience in source control, unit testing, code verification, documentation, automated build, continuous integration, metrics, and code reviews.
- Demonstrated problem solving, analytic and troubleshooting skills.
- Strong written and oral communication skills are required to effectively engage internal stakeholders and their technical representatives.
Responsibilities:
- Manages the team in producing working software each iteration in accordance with the team’s commitments
- Facilitates planning sessions, team meetings, and other “rituals,” such as the daily standup, iteration planning, iteration kickoff, iteration review, and retrospectives
- Ensures that the backlog of work for the team is well-defined with respect to scope, clarity of requirements, and acceptance criteria
- Helps remove roadblocks to delivery success.
- Helps the team follow its defined process, and leads process improvement efforts
- Understands the client’s business strategy and objectives as it relates to the product being developed; ensures that the client’s expectations are met or exceeded.
- Oversees the completion of stories, ensuring that the team understands what “Done” means for each story.
- Interfaces between the team and the customer
- Communicates effectively within the team and with all stakeholders by providing high-quality visibility into planned and actual deliverables.
- Is a model developer, with sharp coding skills and a passion for excellence
- Participates in design and coding activities, and helps with requirements, analysis, and testing as needed
- Ensures that the architecture of the product is sound
- Ensures product quality through effective monitoring of quality trends, test automation, defect tracking and root cause analysis.
- Assures that all production deliveries meet acceptance, operational, and quality criteria
- Develops camaraderie and strong collaboration across both the 3Pillar team and client team,
- Actively demonstrates and teaches strong consulting skills to teammates,
- Understands the full set of product development capabilities and speaks to them holistically,
- Proactively develops a deep "trusted advisor" relationship with the primary buyer,
- Assists in developing strategies to take advantage of opportunities within the account and works collaboratively with the Client Partner to execute them
Benefits
- A competitive annual salary based on experience and market demands
- Flexi-timings
- Medical insurance with the option to purchase a premium plan or HSA option for your entire family
- In-house Food & Refreshments
- Regular Health check-up camps arranged by the company
- Recreational activities
- Business casual atmosphere
Follow CutshortShubham Vishwakarma
Full Stack Developer - Averlon